Rare Rubin-1 37-80mm for /2.8 Voigtlander Zoomar Copy Dkl C-Mount Kmz Soviet. The description of this item has been automatically translated. Collectable soviet Rubin-1 37-80 mm f / 2.8 Lens. Very good working condition. The Rubin-1 is a zoom lens based on the Zoomar formula. Maximum aperture is f/2.8 and it has a focal length […]